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Let a1,a2,a3,... be an A.P. with common difference π/6 and cosec a1cosec a2+cosec a2cosec a3+...cosec an−1cosec an=k(cota1−cotan). Then k |
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Answer» Let a1,a2,a3,... be an A.P. with common difference π/6 and cosec a1cosec a2+cosec a2cosec a3+...cosec an−1cosec an=k(cota1−cotan). Then k |
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